1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12 #ifndef _LINUX_ICMP_H 13 #define _LINUX_ICMP_H 14 15 #include <linux/types.h> 16 17 #define ICMP_ECHOREPLY 0 18 #define ICMP_DEST_UNREACH 3 19 #define ICMP_SOURCE_QUENCH 4 20 #define ICMP_REDIRECT 5 21 #define ICMP_ECHO 8 22 #define ICMP_TIME_EXCEEDED 11 23 #define ICMP_PARAMETERPROB 12 24 #define ICMP_TIMESTAMP 13 25 #define ICMP_TIMESTAMPREPLY 14 26 #define ICMP_INFO_REQUEST 15 27 #define ICMP_INFO_REPLY 16 28 #define ICMP_ADDRESS 17 29 #define ICMP_ADDRESSREPLY 18 30 #define NR_ICMP_TYPES 18 31 32 #define ICMP_NET_UNREACH 0 33 #define ICMP_HOST_UNREACH 1 34 #define ICMP_PROT_UNREACH 2 35 #define ICMP_PORT_UNREACH 3 36 #define ICMP_FRAG_NEEDED 4 37 #define ICMP_SR_FAILED 5 38 #define ICMP_NET_UNKNOWN 6 39 #define ICMP_HOST_UNKNOWN 7 40 #define ICMP_HOST_ISOLATED 8 41 #define ICMP_NET_ANO 9 42 #define ICMP_HOST_ANO 10 43 #define ICMP_NET_UNR_TOS 11 44 #define ICMP_HOST_UNR_TOS 12 45 #define ICMP_PKT_FILTERED 13 46 #define ICMP_PREC_VIOLATION 14 47 #define ICMP_PREC_CUTOFF 15 48 #define NR_ICMP_UNREACH 15 49 50 #define ICMP_REDIR_NET 0 51 #define ICMP_REDIR_HOST 1 52 #define ICMP_REDIR_NETTOS 2 53 #define ICMP_REDIR_HOSTTOS 3 54 55 #define ICMP_EXC_TTL 0 56 #define ICMP_EXC_FRAGTIME 1 57 58 struct icmphdr { 59 __u8 type; 60 __u8 code; 61 __u16 checksum; 62 union { 63 struct { 64 __u16 id; 65 __u16 sequence; 66 } echo; 67 __u32 gateway; 68 struct { 69 __u16 __unused_field; 70 __u16 mtu; 71 } frag; 72 } un; 73 }; 74 75 #define ICMP_FILTER 1 76 77 struct icmp_filter { 78 __u32 data; 79 }; 80 81 #endif 82